有机化学 ›› 1992, Vol. 12 ›› Issue (4): 428-431. 上一篇    

研究论文

白花蛇舌草免疫多糖结构的研究

吴厚铭;黄胜余;劳霞飞;马侃;周惠强   

  1. 中国科学院上海有机化学研究所;中国科学院生命有机化学国家重点实验室
  • 发布日期:1992-08-25

A study on the structure of the polysaccharide from hedyotis diffusa willd

WU HOUMING;HUANG SHENGYU;LAO XIAFEI;MA KAN;ZHOU HUIQIANG   

  • Published:1992-08-25

白花蛇舌草(Hedgotis diffusa willd)系茜草科(Rubiaceae)耳草植物,民间常用此草内服治疗小儿疳疾、毒蛇咬伤、癌肿及肠道疾病,外用治疗各种疮疥及跌打刀伤等症.本文首次报道从白花蛇舌草水溶性成份中分离得到一个具有免疫活性的多糖,并对它的结构进行了初步的探讨.

关键词: 高速液体色谱, 多糖, 白花蛇舌草, 结构研究

The distilled- extract of H. diffusa was precipitated by 95% ethanol and purified by Sephadex G-200 to give a pure polysaccharide HD-W-3-B with Mw = 1,600,000. The polysaccharide is composed of 6 sugars: rhamnose, arabinose, xylose, mannose, galactose, and glucose. Its preliminary structure was proposed by anal. of its methylation.a

Key words: POLYSACCHARIDE, HIGH SPEED LIQUID CHROMATOGRAPHY

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